选择合适的句子将对话补充完整。(10分)
A Can I speak to John?
B When do you go to the playground?
C What is John doing?
D OK. See you tomorrow morning.
E When do you get up?
Jack: Hello, this is Jack!
Zhang Peng : This is Zhang Peng.                  
Jack: l am sorry. He is busy now. Please hold on.
Zhang Peng:             
Jack: He is writing an e-mai（1）He is coming.
Zhang Peng:  Hi, John!                
John: l go to the playground at 7 :00 in the morning.
Zhang Peng: lt is early.               
John: l get up at 6 :00.
Zhang Peng : Shall we meet at 6 :50 at school?
John: